The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 2006
Filed:
Mar. 15, 2005
Frank W Veit, Spring Lake, MI (US);
David W Zeitler, Caledonia, MI (US);
Rhonda J Verploegen, Sparta, MI (US);
Andrew R Black, Fremont, MI (US);
Charles W Bozarth, Comstock Park, MI (US);
Clyde Miin-arng Ko, Ada, MI (US);
Frank W Veit, Spring Lake, MI (US);
David W Zeitler, Caledonia, MI (US);
Rhonda J Verploegen, Sparta, MI (US);
Andrew R Black, Fremont, MI (US);
Charles W Bozarth, Comstock Park, MI (US);
Clyde Miin-Arng Ko, Ada, MI (US);
Dematic Corp., Grand Rapids, MI (US);
Abstract
A positive displacement sorter apparatus and method includes providing a plurality of slats being interconnected in an endless web, an upper run of the web defining a conveying surface, and a plurality of pusher shoes gliding along at least some of the slats to laterally displace articles on the conveying surface. A linear motor system is provided to propel the web and includes a plurality of linear motor secondaries at the slats and at least one primary for propelling the secondaries. A control system controls the primaries.